While it's not toxic for cats to eat dog food, it's generally not recommended as dog food is formulated differently from cat food and does not meet the specific nutritional needs of cats. Cats have unique dietary requirements and need a diet that is high in protein, taurine, and certain vitamins and minerals. Dog food, on the other hand, is typically lower in protein requirements and may not contain adequate levels of nutrients that cats require. The same pet food is not supposed to given if you have both cat and dog as your pets

Additionally, canine nutrition may contain ingredients that are not suitable for cats, such as higher levels of certain vitamins and minerals that can be harmful to cats in excessive amounts. For example, dog food may contain higher levels of vitamin D, which can lead to toxicity in cats. Cats tend to drink less water than dogs, and as a result, they require wet food that provides additional moisture to keep them hydrated.

While it's not toxic for cats to eat dog food, its against the veterinary advice as it may not meet their nutritional needs and could potentially lead to health problems over time. It's important to know that feline nutrition rich food is specifically formulated for cats and meets their unique nutritional requirements. The major difference between dog food vs cat food is Dogs tend to prefer foods that are meaty and savory, while cats have a more sensitive sense of taste and tend to prefer foods that are fishy and aromatic. Dogs are omnivores, which mean that they require a balance of protein, carbohydrates, fats and vitamins and Minerals in their diet. Cats, on the other hand, are obligate carnivores, which mean that they require a meat based diet that is high in protein and low in carbohydrates.

Vitamin D is essential component for both cat and dog food as it helps to regulate the levels of calcium and phosphorus in their bodies, which are necessary for maintaining strong bones and teeth. However, excessive amounts of vitamin D can be toxic to cats.

Consuming too much vitamin D is a great risk to your pet’s health, it can lead to a condition known as hyper vitaminizes D, which is characterized by an excessive buildup of calcium in the blood, leading to hypocalcemia. This can cause a variety of symptoms such as vomiting, loss of appetite, increased thirst and urination, weakness, and even kidney failure.

Cats are particularly sensitive to vitamin D toxicity because their bodies are not able to break down and eliminate excess amounts of vitamin D as efficiently as humans and other animals. Therefore, even small amounts of vitamin D supplementation or accidental ingestion of products that contain high levels of vitamin D can be dangerous for cats. Therefore it is important not to feed your cat the same food as your dog.